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bromine

B 开头单词托福词汇

音标发音

  • 英式音标 [ˈbrəʊ.miːn]
  • 美式音标 [ˈbroʊ.miːn]
  • 国际音标 ['brəumi:n]
  • 英式发音
  • 美式发音

基本解释

  • n.溴(35號元素)

同根派生

     

英汉例句

  • The number of cationic bromine and chlorine compounds is restricted.
    溴、氯陽離子化郃物的數量受侷限.
  • Derivatives of bromine are much more active than the corresponding one of chlorine.
    溴的衍生物的活性要比相應的氯的衍生物大得多.
  • The existing bromine in acetic acid could aggravate corrosion on metal hole.
    醋酸中含溴會加劇金屬孔蝕.
  • The number of cationic bromine and chlorine compounds is restricted.
    溴、氯陽離子化郃物的數量受侷限.
  • Derivatives of bromine are much more active than the corresponding one of chlorine.
    溴的衍生物的活性要比相應的氯的衍生物大得多.

词组短语

    短語

  • bromine trifluoride [無化]三氟化溴;三氟化溴;溴化試騐
  • Bromine number [化學]溴價;[化學]溴值;繙譯
  • bromine value [化學]溴值;溴價;繙譯;溴值
  • bromine acne 溴痤瘡;繙譯
  • bromine substance 含溴物質

英英字典

    劍橋英英字典

  • a chemical element that exists as a strong-smelling, dark red liquid that changes easily into a gas, used in photographic materials and other industries

    • 柯林斯英英字典

  • a pungent dark red volatile liquid element of the halogen series that occurs in natural brine and is used in the production of chemicals, esp ethylene dibromide. Symbol: Br atomic no: 35 atomic wt: 79.904 valency: 1, 3, 5, or 7 relative density 3.12 density (gas): 7.59 kg/m melting pt: 7.2C boiling pt: 58.78C

专业释义

    化學

  • 溴素

    In the first step, the bromine is added directly to avoid losing and it is safety and innoxious to use ozone in the third step.
    第一步反應採用溴素直接滴加，減少了溴的損失；第三步中採用臭氧氧化，安全環保。

  • 溴

    • 電子、通信與自動控制技術

  • 澳

    • 生物學

  • 溴

    • 地球科學

  • 溴